The latest issue of PCGamer has the first details on the yet un-announced Empire Earth II: The Art of Supremecy addon. Mad Doc Software's first addon for its 3D RTS is scheduled for release in spring 2006 and will feature 15 new civilizations, 15 missions spread over 3 campaigns, the ability to make your own civilization with the new civilization editor, and plenty of other new additions. Now that the cat is out of the bag, we can expect an official announcement soon.